Polynomials

Hong Kong

Stage 4 - Stage 5

Expand $\left(8z-5\right)^2$(8`z`−5)2.

Easy

Approx 2 minutes

Expand $\left(5p-4q\right)^2$(5`p`−4`q`)2.

Expand $\left(a+2\right)\left(5a^2-2a+2\right)$(`a`+2)(5`a`2−2`a`+2).

Expand and simplify:

$\left(a^2b^2+4ab-6\right)$(`a`2`b`2+4`a``b`−6)$\left(-4ab\right)$(−4`a``b`)

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